Disodium Hydrogen Phosphate Dihydrate Extra Pure
$ 19.50 Original price was: $ 19.50.$ 18.98Current price is: $ 18.98.
Disodium Hydrogen Phosphate Dihydrate Extra Pure is a laboratory-grade chemical widely utilized as a buffering agent and pH stabilizer in analytical chemistry, molecular biology, and biochemical research. It is commonly used in the preparation of phosphate buffer solutions, supporting the maintenance of optimal conditions for enzyme activity and cell culture. This dihydrate form ensures accurate hydration levels for reliable solution formulation. Its high purity makes it suitable for sensitive lab applications requiring minimal interference from impurities. The compound should be kept tightly sealed in a dry environment to preserve its integrity and reactivity.
Disodium Hydrogen Phosphate Dihydrate Extra Pure
Primary Uses
- Buffer preparation (especially in phosphate buffer systems):
Widely used to maintain pH stability in biochemical and molecular biology experiments. - Reagent in analytical chemistry:
Used in qualitative and quantitative assays, including colorimetric and titration methods. - Component in saline and buffer solutions for biological research:
Often used in combination with sodium dihydrogen phosphate to create PBS (Phosphate Buffered Saline) for maintaining cell integrity. - pH adjustment in chemical reactions:
Employed to fine-tune pH in various aqueous solutions. - Media preparation in microbiology:
Acts as a buffering agent in culture media to support microbial growth.
Secondary Uses
- Standardizing solutions in titration procedures:
Used as a secondary standard in volumetric analysis. - Water treatment research:
Studied in laboratory-scale experiments for its role in corrosion control and precipitation reactions. - Educational experiments:
Common in teaching labs for demonstrating buffer systems and salt hydrolysis. - Protein precipitation or stabilization studies:
Occasionally used in protein chemistry experiments to influence ionic strength.
| PACK SIZE | 500 grams Plastic Tin |
|---|
1. Basic Identification Attributes
- Chemical Name: Disodium Hydrogen Phosphate Dihydrate
- Other Names: Disodium phosphate dihydrate, Sodium phosphate dibasic dihydrate
- Chemical Formula: Na₂HPO₄·2H₂O
- CAS Number: 10028-24-7
- Grade: Extra Pure (Laboratory Grade)
- Molecular Weight: 177.99 g/mol
- Appearance: White crystalline powder
- Odor: Odorless
2. Physical & Chemical Properties
- Melting Point: Decomposes on heating
- Solubility in Water: Soluble (∼7.7 g/100 mL at 20 °C)
- pH (1% solution): ~8.0 – 9.5
- Density: ~1.52 g/cm³
- Hygroscopicity: Slightly hygroscopic
- Stability: Stable under normal lab conditions
3. Safety & Hazard Attributes
- GHS Classification: Not classified as hazardous
- Hazard Statements: None
- PPE Requirements:
- Laboratory coat
- Protective gloves (nitrile recommended)
- Safety goggles
- First Aid Measures:
- Inhalation: Move to fresh air; seek medical attention if symptoms occur
- Skin Contact: Rinse thoroughly with water
- Eye Contact: Flush eyes with water for several minutes
- Ingestion: Rinse mouth; consult a physician if unwell
4. Storage & Handling Attributes
- Storage Conditions:
- Store in a cool, dry, well-ventilated area
- Keep container tightly sealed
- Avoid moisture exposure
- Handling Notes:
- Avoid dust formation
- Use appropriate lab ventilation
- Follow standard laboratory hygiene practices
5. Regulatory & Compliance Attributes
- EC Number: 231-448-7
- REACH Status: Registered
- UN Number: Not applicable
- DOT/ADR Classification: Not regulated
- Hazard Class (Transport): Not classified
6. Laboratory Applications
- Primary Uses:
- Preparation of phosphate buffer systems
- pH control in chemical and biological solutions
- Reagent in biochemical and analytical chemistry
- Use in cell culture and molecular biology applications
- Other Uses:
- Component in some cleaning agents and water softeners (research use)
- Analytical reagent in food and beverage testing
SAFETY PRECAUTIONS
- PPE Required:
- Lab coat
- Safety goggles
- Nitrile or latex gloves
- Storage Guidelines:
- Store in a cool, dry location
- Keep container tightly closed and away from moisture
- Avoid prolonged exposure to air to prevent hydration changes
- Handling Tips:
- Handle under dry conditions
- Use clean utensils to avoid contamination
FIRST AID MEASURES
- Inhalation: Move to fresh air; seek medical attention if symptoms occur
- Skin Contact: Wash thoroughly with water and soap
- Eye Contact: Flush eyes with water for at least 15 minutes
- Ingestion: Rinse mouth and seek medical attention if large quantities are consumed
FIRE SAFETY MEASURES
- Flammability: Not flammable
- Extinguishing Media: Use water spray, dry chemical, foam, or CO₂
- Decomposition Products: May produce sodium oxides and phosphorus oxides under intense heat
Related products
Alizarin Extra Pure
Alizarin Extra Pure is a high-grade anthraquinone-based dye, presented as a reddish-brown crystalline powder, renowned for its vivid coloration and strong affinity for metal ions. It is primarily used in analytical chemistry as a complexometric indicator, especially for detecting aluminum, calcium, and other metal ions through color change. Due to its exceptional purity, it is also employed in histological staining, textile research, and pigment synthesis where precision and consistency are critical. Alizarin Extra Pure offers excellent stability and intense coloration, making it ideal for scientific, educational, and specialized industrial applications. Proper storage in a cool, dry environment is essential to maintain its effectiveness and prevent degradation.
Aluminium Oxide Extra Pure
Aluminium Oxide Extra Pure is a high-purity, white, odorless crystalline powder widely used in laboratory applications for its chemical stability, hardness, and high melting point. It serves as a reliable reagent in inorganic synthesis, a polishing and grinding medium in sample preparation, and a support material for catalysts in chemical reactions. This form of alumina is also used in adsorption studies, ceramic research, and as a desiccant in controlled drying processes. Its extra pure grade ensures minimal contamination, making it suitable for sensitive analytical work and high-precision experiments. For optimal performance, it should be stored in a dry, tightly sealed container to prevent moisture absorption and maintain its physical integrity.
Aluminium Sulphate Anhydrous Extra Pure
Aluminium Sulphate Anhydrous Extra Pure is a high-purity, white crystalline or powdery solid commonly used in laboratory chemistry as a source of aluminum ions for precipitation, titration, and coordination studies. Its anhydrous form provides a concentrated and stable option for applications requiring precise control over water content, such as analytical reagent preparation, pH adjustment, and synthesis of other aluminum salts. This compound is also used in paper sizing experiments, dye fixation, and water treatment research. The extra pure grade ensures very low levels of contaminants, supporting accurate and reproducible results in sensitive experimental work. It should be stored in airtight containers in a dry area to prevent moisture absorption and preserve its chemical integrity.
Ammonia Solution Extra Pure
Ammonia Solution Extra Pure is a high-purity, clear, colorless liquid composed of ammonia gas dissolved in water, emitting a strong, characteristic pungent odor. Widely used in laboratory chemistry, it serves as a crucial reagent in acid-base titrations, complexometric analysis, and the preparation of ammonium salts and metal-ammonia complexes. Its alkaline nature makes it valuable for pH adjustment, cleaning of laboratory glassware, and as a reducing agent in certain analytical procedures. The extra pure grade ensures low levels of impurities, supporting reliable results in sensitive experimental work. Due to its volatility and corrosiveness, it should be handled in well-ventilated areas and stored in tightly sealed, chemically resistant containers.
Ammonium Chloride Extra Pure
Ammonium Chloride Extra Pure is a high-purity, white crystalline salt widely used in laboratory chemistry as a source of ammonium ions and chloride ions for analytical, inorganic, and biochemical applications. It plays a key role in preparing buffer solutions, especially in conjunction with ammonia, and is commonly used in qualitative analysis, electrochemical studies, and metal treatment experiments. In addition, it serves as a reagent in synthesis reactions and as a nitrogen source in microbial culture media. The extra pure grade ensures high consistency and minimal contaminants, making it suitable for precise and sensitive laboratory work. It should be stored in a cool, dry place in well-sealed containers to maintain stability and prevent moisture absorption.
Ammonium Chromate Extra Pure
Ammonium Chromate Extra Pure is a high-purity, yellow crystalline compound primarily used in laboratory settings for analytical and inorganic chemistry applications. It serves as a strong oxidizing agent and is commonly utilized in qualitative analysis, particularly in the detection of cations, and in the preparation of chromate-based reagents. Its high solubility in water and ability to act as a corrosion inhibitor also make it useful in material science and electrochemical experiments. Due to the presence of hexavalent chromium, it is toxic and environmentally hazardous, requiring strict handling procedures and protective equipment. The extra pure grade ensures minimal impurities, making it suitable for high-precision research. It must be stored in tightly sealed containers, away from light, heat, and incompatible substances.
Ammonium Ferric Sulphate Extra Pure
Ammonium Ferric Sulphate Extra Pure, also known as ferric ammonium sulfate or iron alum, is a high-purity, violet to light purple crystalline compound used extensively in laboratory settings for analytical and inorganic chemistry. It serves as a reliable oxidizing agent and a standard in redox titrations, particularly in permanganometry. Its stable and non-hygroscopic nature makes it ideal for preparing standard iron solutions, studying coordination complexes, and teaching laboratory procedures involving iron(III) salts. The extra pure grade ensures minimal interference from impurities, enabling accurate and reproducible results in sensitive experiments. It should be stored in a dry, cool environment in well-sealed containers to preserve its chemical integrity.
Ammonium Ferrous Sulphate Extra Pure
Ammonium Ferrous Sulphate Extra Pure, also known as Mohr’s salt, is a high-purity, light green crystalline compound composed of ferrous sulfate and ammonium sulfate. It is widely used in laboratory settings as a stable source of ferrous ions for redox titrations, particularly in permanganometric and dichromate analyses. Its stability in air, compared to other iron(II) salts, makes it ideal for preparing standard solutions and studying oxidation-reduction reactions. This compound is also valuable in coordination chemistry and iron metabolism research. The extra pure grade ensures minimal contamination, supporting precise analytical and experimental results. It should be stored in tightly sealed containers in a cool, dry place to prevent oxidation and maintain its integrity.

Preservatives(food)
Flavor Enhancers
Acidulants
Sweeteners
Antioxidants
Colorants(food)
Nutraceutical Ingredients (food)
Nutrient Supplements
Emulsifiers
Collectors
Dust Suppressants
Explosives and Blasting Agents
Flocculants and Coagulants
Frothers
Leaching Agents
pH Modifiers
Precious Metal Extraction Agents
Antioxidants(plastic)
Colorants (Pigments, Dyes)
Fillers and Reinforcements
Flame Retardants
Monomers
Plasticizers
Polymerization Initiators
Stabilizers (UV, Heat)
Antifoaming Agents
Chelating Agents
Coagulants and Flocculants
Corrosion Inhibitors
Disinfectants and Biocides
Oxidizing Agents
pH Adjusters
Scale Inhibitors( water)
Antioxidants(cosmetic)
Emollients
Fragrances and Essential Oils
Humectants
Preservatives
Surfactants(cosmetic)
Thickeners
UV Filters
Fertilizers
Soil Conditioners
Plant Growth Regulators
Animal Feed Additives
Biostimulants
Pesticides (Herbicides, Insecticides, Fungicides)
Active Pharmaceutical Ingredients (APIs)
Excipients
Solvents(pharmaceutical)
Antibiotics
Antiseptics and Disinfectants
Vaccine Adjuvants
Nutraceutical Ingredients (pharmaceutical)
Analgesics & Antipyretics
Analytical Reagents
Solvents(lab)
Chromatography Chemicals
Spectroscopy Reagents
microbiology-and-cell-culture-reagents
Molecular Biology Reagents
Biochemical Reagents
Inorganic and Organic Standards
Laboratory Safety Chemicals
Specialty Laboratory Chemicals(Special Laboratory Equipment)
Demulsifiers
Hydraulic Fracturing Fluids
Scale Inhibitors(oil)
Surfactants(oil)
Drilling Fluids
Dyes and Pigments
Bleaching Agents
Softening Agents
Finishing Agents
Antistatic Agents
Admixtures
Waterproofing Agents
Sealants and Adhesives
Curing Compounds
Concrete Repair Chemicals
Anti-Corrosion Coatings
Surfactants(cleaning)
Builders
Enzymes
Solvents (Cleaning)
Fragrances
Electronic Chemicals
Catalysts
Lubricants
Photographic Chemicals
Refrigerants
Automotive chemicals
Pyrotechnic Chemicals
Biodegradable Surfactants
Bio-based Solvents
Renewable Polymers
Carbon Capture Chemicals
Wastewater Treatment Chemicals
Pigments
Solvents(paint)
Specialty Coatings
Binders/Resins
Additives
Driers
Anti-Corrosion Agents
Functional Coatings
Application-Specific Coatings
Leavening Agents
Dough Conditioners
Flour Treatments
Fat Replacers
Decoratives
Preservatives(baking)
Plasticizers & Softeners
Reinforcing Agents
Adhesion Promoters
Vulcanizing Agents
Antidegradants
Blowing Agents
Fillers & Extenders
Accelerators & Retarders